Preparation:

Heat a small dry skillet over low heat. Add sesame seeds and stir constantly until golden and fragrant, about 2 minutes. Transfer to a small bowl and let cool.

2

Whisk soy sauce, vinegar, oil, garlic, sugar and chile-garlic sauce in another small bowl until the sugar dissolves. Stir in scallions and the sesame seeds.

Tips:

Ingredient Note: Chile-garlic sauce: A blend of ground chiles, garlic and vinegar, it's commonly used to add heat and flavor to Asian soups, sauces and stir-fries. It can be found in the Asian section of large supermarkets (sometimes labeled as chili-garlic sauce or paste) and keeps up to 1 year in the refrigerator.